Mail server, Yahoo, Gmail as Spam

Aside of hotmail, every mail sent by my mail server was arriving ok to inbox in gmail and yahoo. A client used our servers to send spam for two days... we kick it from our hosting, but right now, every mail send by my server is going directly to spam...

Do you know how can I give advise to yahoo and gmail about the situation, clarify that it has been fixed, and get all mails again to inbox?

If there is no solution to this, maybe I will have to use a different IP...

Thanks, but I am not blacklisted in any place. The problem is that my mails are marked by google as spam, this was not happening before this user activity. I want to know where can I check my rep with google, or where can I send a form giving advise that the situation has been stoped.

I want to know where can I check my rep with google, or where can I send a form giving advise that the situation has been stoped.

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Please check your mail log. The big companies send back a URL in the error code that gets logged in the mail log, and when oyu visit this URL you can normally fill out a form and request to be removed from their internal blacklist.

Thanks, but I am not blacklisted in any place. The problem is that my mails are marked by google as spam, this was not happening before this user activity. I want to know where can I check my rep with google, or where can I send a form giving advise that the situation has been stoped.

Thanks both of you, I checked everywhere (aside of mxtoolbox) for blacklists and all my IPs are clean.

A client was using email server to send mails to google groups and others list, with a LOT of rejected mailboxs (I received lots of rejected address, really lots, 2000+ per hour)... I didn't find any message in logs, and with yahoo right now mails are starting to arrive at inbox... cannot say the same for gmail, I still arrive to spam after this, before I was arriving always to inbox...

But well, I think that in a while it will be fixed without intervention of my side... if someone has more ideas please post here.

Aside of hotmail, every mail sent by my mail server was arriving ok to inbox in gmail and yahoo. A client used our servers to send spam for two days... we kick it from our hosting, but right now, every mail send by my server is going directly to spam...

Do you know how can I give advise to yahoo and gmail about the situation, clarify that it has been fixed, and get all mails again to inbox?

If there is no solution to this, maybe I will have to use a different IP...

Finally gmail stop marking my mails as spam.
This happened exactly 1 month after the spam attack, when my senderscore goes from 80 to 99 (as it was before).

Here is a screenshot:

So in this case the only solution seems to be wait.

Meanwhile I tried postmark. They give you the option to send 25000 mails from they servers for free. You can configure your mail client (outlook, thunderbird...) to do that (there are other options but I didn't try them)

Finally gmail stop marking my mails as spam.
This happened exactly 1 month after the spam attack, when my senderscore goes from 80 to 99 (as it was before).

Here is a screenshot:
So in this case the only solution seems to be wait.

Meanwhile I tried postmark. They give you the option to send 25000 mails from they servers for free. You can configure your mail client (outlook, thunderbird...) to do that (there are other options but I didn't try them)